SAR False Color Visualization
// SAR False Color Visualization
// The script visualizes Earth surface in False Color from Sentinel-1 data.
// Author: Annamaria Luongo (Twitter: @annamaria_84, https://www.linkedin.com/in/annamaria-luongo-RS )
// License: CC BY 4.0 International
var c1 = 10e-4;
var c2 = 0.01;
var c3 = 0.02;
var c4 = 0.03;
var c5 = 0.045;
var c6 = 0.05;
var c7 = 0.9;
var c8 = 0.25;
//Enhanced or non-enhanced option (set to "true" if you want enhanced)
var enhanced = false;
if (enhanced != true) {
//Non-enhanced option
var band1 = c4 + Math.log(c1 - Math.log(c6 / (c3 + 2 * VV)));
var band2 = c6 + Math.exp(c8 * (Math.log(c2 + 2 * VV) + Math.log(c3 + 5 * VH)));
var band3 = 1 - Math.log(c6 / (c5 - c7 * VV));
}
else {
//Enhanced option
var band1 = c4 + Math.log(c1 - Math.log(c6 / (c3 + 2.5 * VV)) + Math.log(c6 / (c3 + 1.5 * VH)));
var band2 = c6 + Math.exp(c8 * (Math.log(c2 + 2 * VV) + Math.log(c3 + 7 * VH)));
var band3 = 0.8 - Math.log(c6 / (c5 - c7 * VV));
}
return [band1, band2, band3];
Evaluate and Visualize
Description
The script visualizes Earth surface in False Color from Sentinel-1 data.
It helps in maritime monitoring (ice monitoring, ship monitoring,…) land monitoring (agricolture, deforestation,…) and emergency management (flood monitoring, volcano monitoring, …).